The Stroop Effect confounding people since 1929

Wondering what the Stroop effect is?

You've come to the right place! The Stroop effect is best experienced first, then explained later.

To experience the Stroop effect, you'll be asked 3 sets of questions. (They're short! You'll be done in less than 10 minutes.) Each question has only 2 choices: UP and DOWN. You can answer by pressing the corresponding button on the screen or using the up and down arrow keys on your keyboard. Ready? Let's go!